package com.chauncy.DMS.filter;

import java.io.IOException;
import java.util.List;
import java.util.Map;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.chauncy.DMS.bean.ManagerInfoBean;

public class ManagerPagePermissionFilter implements Filter {

	public void destroy() {
		// TODO Auto-generated method stub

	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		// TODO Auto-generated method stub
		HttpServletRequest request = (HttpServletRequest) arg0;
		HttpServletResponse response = (HttpServletResponse) arg1;
		
		//管理员登陆session
		List<ManagerInfoBean> managerList  = (List<ManagerInfoBean>) request.getSession().getAttribute("managerInfoList"); 
		
		if(managerList == null ||  managerList.size() < 0){
			response.sendRedirect("../index.jsp");
			System.out.println("manager bu cun zai ");
		}else {
			arg2.doFilter(request, response);
			System.out.println("manager cun zai");
		}
	}

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
	}
}
